This Week In The Bmj

Misuse of sulphonylureas, rather than an insulinoma, may be the cause of spontaneous hypoglycaemia

BMJ 1997; 314 doi: (Published 15 February 1997) Cite this as: BMJ 1997;314:e

This week's lesson of the week describes a woman with worsening spontaneous hypoglycaemic episodes who underwent exploratory laparotomy for a possible insulinoma (p 496). No tumour was found, and a serum sample taken during an earlier hypoglycaemic episode was reanalysed for sulphonylureas and showed a high concentration of glibencamide. She then admitted taking a relative's tablets. The authors recommend that insulinomas should not be diagnosed unless sulphonylurea misuse has been excluded.

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